University of Illinois Urbana-Champaign

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Showing 2911–2940 of 9,854 items
Thumbnail for Sinkhole distribution and density of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Sinkhole distribution and density of Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Panno, Samuel V.; Angel, Julie C.; Nelson, Dan O.; Weibel, C. Pius; Luman, Donald E.

Thumbnail for Illinois River studies, 1925-1928
Illinois River studies, 1925-1928
Boruff, Clair S.; Buswell, Arthur M.